Ultra-compact 3-inch officer-frame 1911 in .45 ACP. SIG's most compact 1911, designed for deep concealment. Type: Pistol Action: Semi-Automatic Caliber: .45 ACP Capacity: 7 Year introduced: 2008, USA Weight: 29.6 oz Overall length: 6.7" Status: Active Intended use: Pocket, Carry, Concealed